Bearing Set (12) For Traxxas Nitro 4 - TECComplete Bearings Set Traxxas Nitro 4 TEC Set of 12 Bearings Complete set Ball Bearings for Traxxas Nitro 4 TEC, Set Contains 12 Bearings. each Comes with double metal shields (ZZ) to keep out dust and dirt, additionally, these bearings come pre lubricated with grease for smooth operation. Complete Bearings Set Model: Traxxas Nitro 4 TEC Shield Double Metal Shields for dust protection (ZZ) Quantity: 12 Bearings